Four Point Contact Ball Bearings (metric)

Q428MPB

Back to overview

Details

Main dimensions
d [mm] 140
D [mm] 360
B [mm] 82
d1 [mm] ≈  219.1
D1 [mm] ≈  280.9
r1,2 [mm] 5
α0 [°] 23
a [mm] ≈  106
Weight [kg] ≈ 50.5
Mating dimensions
da, min [mm] 164
Da, max [mm] 336
ra, max [mm] 4
Calculation data
C [kN] 695
C0 [kN] 980
Cu [kN] 30.6
nth [min-1] 1588
ng [min-1] 3400